Audi A6 C6 Rear Window Lifter Motor Left N/S Regulator 8K0959811C

The Audi A6 C6 Rear Window Regulator Motor Left is a precise component of the window lifting system, designed specifically for the rear left side of the vehicle body. As part of the Window Regulators and Motors group, it ensures stable operation of the window mechanism and proper closing and opening, which translates to user comfort and safety. A used OEM component is a sensible choice for professional repairs where structural fit and predictable performance are crucial.

Specifications and technical data

• SKU: 8K0959811C
• Mark: Audi
• Condition: Used
• OEM Part Number: 8K0959811C
• Substitutable numbers: 8K0959811C, 8K0 959 811 C
• Location on the vehicle: Rear, Left
• Category: Window Motors & Regulators

Purpose and Function in the Vehicle

The presented window regulator motor operates in the rear left part of the vehicle body, responsible for driving the window adjustment mechanism. The component works with the regulator guides and cables, generating the appropriate torque for smooth raising and lowering of the window in the rear door.

Thanks to its proper fit to the Audi door construction, installation proceeds in an organized manner, and after correctly connecting the electrical system, it is possible to restore full functionality of window control from the driver's panel or the button in the rear passenger door.

Benefits of Using an Original Regulator Motor

Using an original regulator in an Audi allows for the preservation of the window system's factory operating characteristics. In practice, this means:

• appropriately selected window movement speed,
• proper cooperation with the vehicle's factory electronics,
• stable operation throughout the entire range of motion, without jerks or stops,
• adherence to the electrical load parameters specified by the manufacturer.

For the user, this translates to comfortable operation and reduced risk of further interventions in the window system after repair. Choosing a used OEM part is often more cost-effective than installing a replacement with uncertain parameters, especially in vehicles where consistency with the factory installation is important.

Installation and Operational Characteristics

The rear left window regulator motor is structurally prepared for installation in its designated place in the door, using factory mounting points. On the user's side, it is important to maintain the correct order of door trim removal, disconnect the electrical system, and check the mechanical condition of the entire regulator.

When installing, it is worth paying attention to:

• correct routing of the electrical harness,
• lack of excessive resistance in the window guides,
• door sealing after reassembly,
• testing operation throughout the full range of motion before completing the work.

This approach allows for full utilization of the used component's potential and reduces the risk of additional faults resulting from incorrect installation.

Audi Window Regulators and Motors – Expansion and Service

If you are planning a comprehensive repair or modernization of the door and window area in your Audi and need other components from the same group, such as front window drives, guide mechanisms, or additional adjustment motors, check the available parts in the category Audi Window Regulators and Motors.

Technical Support and Service Knowledge

When working with electrical systems and drives in modern cars, it is beneficial to know the typical weak points of specific models. A good supplement to knowledge about operation and repairs can be an article dedicated to problematic powertrains in a popular Bavarian brand model – you can find it here: Faulty BMW E90 Engines: Find Out What Can Ruin Your Budget. Although it concerns a different manufacturer, it demonstrates the approach to diagnosing and preventing costly repairs, which is worth applying to the service of your own car.

Summary

The Audi A6 C6 Rear Window Regulator Motor Left is a practical solution for users who want to restore the functionality of the rear left window while maintaining factory operating parameters. A used OEM part from the Window Regulators and Motors group allows for a technically correct repair, without the need for costly replacement of the entire door assembly or experimenting with random aftermarket parts. It is a sensible choice for vehicle servicing where functionality, fit, and predictable window system behavior in daily operation are important.